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#include <stdio.h> #include <malloc.h> #include <stdlib.h> #include <math.h> #include <sys/time.h> #include <cuda.h> double wtime(void) { static struct timeval tv0; double time_; gettimeofday(&tv0,(struct timezone*)0); time_=(double)((tv0.tv_usec + (tv0.tv_sec)*1000000)); re...
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#include <stdio.h> __global__ void vector_add(const int *a, const int *b, int *c) { *c = *a + *b; } int main(void) { const int a = 2, b = 5; int c = 0; int *dev_a, *dev_b, *dev_c; cudaMalloc((void **)&dev_a, sizeof(int)); cudaMalloc((void **)&dev_b, sizeof(int)); cudaMalloc((void **)&dev...
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#include "includes.h" __global__ void Sign( float * x, size_t idx, size_t N) { for (int i = blockIdx.x * blockDim.x + threadIdx.x; i < N; i += blockDim.x * gridDim.x) { float res = x[(idx-1)*N+i]; if (res > 0 ) x[(idx-1)*N+i] = 1.0 ; else if (res == 0) x[(idx-1)*N+i] = 0.0; else x[(idx-1)*N+i] = -1.0 ; } return; }
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#include "includes.h" __global__ void rectified_linear_backprop_upd_kernel( float4 * __restrict input_errors, const float4 * __restrict output_errors, const uint4 * __restrict bits_buffer, float negative_slope, bool add_update_to_destination, int elem_count) { int elem_id = blockDim.x * blockIdx.x + threadIdx.x; if (el...
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#include<stdio.h> #include<iostream> using namespace std; void __global__ test() { } //struct false_usage{ // enum{ // // } //} int main(int argc ,char* argv[]) { if(argc < 2) { fprintf(stderr,"invalid Usager,-c blocksize -g gridsize\n"); exit(-1); } int flag = 0; unsigned int blocks...
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/* This is a automatically generated test. Do not modify */ #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void compute(float comp, int var_1,float var_2,int var_3,int var_4,float var_5,float var_6,float var_7,float var_8,float* var_9,float var_10,float var_11,float var_12) { for (int i=0; i < v...
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#include <cuda.h> #include <assert.h> #include <stdio.h> template <int channel_per_thread, int filter_per_thread, int channel_per_block, int filter_per_block, int batch_per_block> __global__ static void _cwc_kern_convolutional_backward_propagate_coefficient_default(const int strides, const int border, const int batch,...
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float h_A[]= { 0.9955789127977188, 0.8561169145481113, 0.9886189102815928, 0.8374468724930431, 0.9685061234540727, 0.5495717202706307, 0.8972547277287506, 0.6807241267920705, 0.5165322394782044, 0.9307949057543159, 0.6428965371946282, 0.8579360303733771, 0.8439745945790106, 0.8225012250461169, 0.911510507690394, 0.7274...
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extern "C" __global__ void scale(double* vector, double alpha, unsigned int size) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if(idx < size) { vector[idx] *= alpha; } } extern "C" __global__ void acc(double* x, double* y, double alpha, int size) { int idx = blockIdx.x * blockDim.x + threadIdx.x; if(idx...
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#include <cstdio> #include <cuda_runtime.h> #include "kosaraju.cuh" /* Fill out the adjacency list and the reverse adjacency list as according to * the routes given. Each route represents a directed edge. */ __global__ void cudaAirportAdjacencyKernel(int *dev_routes, int *dev_adj, int *dev_radj, ...
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#include "includes.h" __global__ void kernel_vecDouble(int *in, int *out, const int n) { int i = threadIdx.x; if (i < n) { out[i] = in[i] * 2; } }
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#include <stdio.h> #include <sys/time.h> #define ARRAY_SIZE 100000 #define TPB 32 __host__ float cpu_saxpy(int i, float a, float *X, float *Y) { return (a*X[i]+Y[i]); } __device__ float gpu_saxpy(int i, float a, float *X, float *Y) { return (a*X[i]+Y[i]); } __global__ void ThreadId(float *y_out, int n, float a, ...
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#define NT 1024 // Overall counter variables in global memory. __device__ int z; __device__ int m[3]; extern "C" __global__ void modCube (int c, int N){ //Variable declarations int thr, size, rank; //Rank and size computations thr = threadIdx.x; size = gridDim.x*NT; rank = blockIdx.x*N...
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#include <cuda.h> #include <iostream> #include <chrono> #include <cstring> #include <cmath> #define DEBUG 0 //If DEBUG is setted, the program will print the used matrices and the times on the stdout using namespace std; /*function marked with '__global__' are the GPU Kernels*/ //This reduces the matrix to upper tria...
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#include "includes.h" __global__ void isnan_check_device(double *array, int size, bool *check) { // // Description: Check for nan in array. int idx = threadIdx.x + blockDim.x * blockIdx.x; if (idx < size && ::isnan(array[idx])) { *check = true; } }
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/************************************************* ** Accelereyes Training Day 1 ** ** Matrix Addition ** ** ** ** This program will add two matrices and store ** ** the result in a third matrix using the GPU ** *************************************************/ #include <iostream> #include <ve...
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// // Cuda Sudoku Solver // // Created by Arpit Jain // Copyright (c) 2014 New York University. All rights reserved. // #include <stdio.h> #include <stdlib.h> #include <curand_kernel.h> #include <math.h> #include <cuda.h> #define NUM_ITERATION 10000 #define INIT_TEMPERATURE 0.4 #define MIN_TEMPERATURE 0.001 #define...
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#include "includes.h" __global__ void TgvComputeOpticalFlowVectorMaskedKernel(const float *u, const float2 *tv2, float* mask, int width, int height, int stride, float2 *warpUV) { const int ix = threadIdx.x + blockIdx.x * blockDim.x; const int iy = threadIdx.y + blockIdx.y * blockDim.y; if ((iy >= height) && (ix >= wid...
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#include "includes.h" __global__ void callOperationSharedStatic(int *a, int *b, int *c, int n) { int tid = blockDim.x * blockIdx.x + threadIdx.x; if (tid >= n) { return; } __shared__ int s_a[size], s_b[size], s_c[size]; s_a[tid] = a[tid]; s_b[tid] = b[tid]; if (s_a[tid] <= s_b[tid]) { s_c[tid] = s_a[tid]; } else { ...
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#include <cstdlib> #include<iostream> #include<cuda.h> #include <sys/time.h> #include <cuda_fp16.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <cuda_fp16.h> #define cudaCores 3584 using namespace std; FILE *fp; int smCount,totalThreads; //__float2half /*void getGPUConfi...
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#include <stdlib.h> #include <stdio.h> // CUDA kernel __global__ void say_hello() { // a CUDA core executes this line printf("GPU says, Hello world!\n"); } // CUDA kernel for step 2 __global__ void say_hello2() { // a CUDA core executes this line printf("Thread %d says, Hello world!\n", threadIdx.x); ...
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#include <stdio.h> #define imin(a,b)(a<b?a:b) const int N = 33 * 1024; const int threadsPerBlock = 256; const int blocksPerGrid = imin(32, (N + threadsPerBlock - 1) / threadsPerBlock); __global__ void dot(float *a, float *b, float *c) { __shared__ float cache[threadsPerBlock]; int tid = threadIdx.x + blockI...
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/* #include "cuda_runtime.h" #include "device_launch_parameters.h" //#include "helper_cuda.h" #include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #define SIZE_M (512 * 2) #define SIZE_N (512 * 4) #define SIZE_K (512 * 2) #define BLOCK_SIZE 16 #define ID2INDX(_row, _col, _width) (((_row)*(_wi...
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#include <iostream> #include <math.h> #define cudaCheckError() { \ cudaError_t e=cudaGetLastError(); \ if(e!=cudaSuccess) { ...
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#include "includes.h" #define THREADS_PER_BLOCK 256 __global__ void MatrixMul( float *Md , float *Nd , float *Pd , const int WIDTH ) { int COL = threadIdx.x + blockIdx.x * blockDim.x; int ROW = threadIdx.y + blockIdx.y * blockDim.y; if (ROW < WIDTH && COL < WIDTH) { for (int i = 0; i < WIDTH; i++) { Pd[ROW ...
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//#include <stdio.h> //#include <string.h> //int main() //{ // // // //}
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extern "C" __global__ void transpose(int* A, int* B, int rows, int cols) { int col = threadIdx.x + blockIdx.x * blockDim.x; int row = threadIdx.y + blockIdx.y * blockDim.y; int index = row * rows + col; int transposedIndex = col * rows + row; if (col < cols && row < rows) { B[index] = A[transposedIndex]; } }
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#include "includes.h" //============================================================================ // Name : CudaMap.cu // Author : Hang //============================================================================ using namespace std; __global__ void addTen(float* d, int count) { int threadsPerBlo...
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/* * Author Oleksandr Borysov * Task3 */ #include <stdio.h> #include <stdlib.h> #include <curand.h> #include <curand_kernel.h> #include <math.h> #include <ctime> #define MAX 32767 #define PLOT_DATA_FILE "plot_data3.txt" #define SEED 254321 __global__ void getCounts(double* results, unsigned long* idxSteps, unsigned ...
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#include <stdio.h> #include <cuda_runtime_api.h> __global__ void empty() { return; } int main() { dim3 gridSize = dim3(1, 1, 1); dim3 blockSize = dim3(1, 1, 1); empty<<<gridSize, blockSize>>>(); printf("Hello World\n"); return 0; }
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#include "includes.h" using namespace std; __global__ void propagateCarries(int* d_matrix, int numCols) { int idx = blockDim.x * blockIdx.x + threadIdx.x * numCols; int carry = 0; for (int i = numCols - 1; i >= 0; i--) { int rowVal = (d_matrix[idx + i] + carry) % 10; carry = (d_matrix[idx + i] + carry) / 10; d_m...
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#include <stdlib.h> #include <math.h> #include <string.h> #include <stdio.h> //#include "cg_cpu.h" /* The following functions implement the conjugate gradient algorithm on the CPU as a pretest for the implementation on the GPU. Uses float as this will also be fastest on the GPU. */ void set_zero(float * v, int n) { ...
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#include <cuda_runtime.h> #include <cstdlib> #include <iostream> #include <time.h> #include "CudaPhysics.cuh" #include "CudaKernels.cuh" void ConstructMatrixOfInfluenceCoefficientsCuda( const float *h_cp_x, const float *h_cp_y, const float *h_cp_z, const float *h_n_x, const float *h_n_y, const float *h_n_z, co...
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#include <stdio.h> #include <stdlib.h> #include <cuda_runtime.h> #include <time.h> #include <stdio.h> #include "device_launch_parameters.h" #define DATA_SIZE 1048576 #define BLOCK_NUM 32 #define THREAD_NUM 256 int data[DATA_SIZE]; clock_t clockBegin, clockEnd; __global__ static void sumOfSquares(int *num, i...
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#include "includes.h" #define INF 2147483647 extern "C" { } __global__ void oneReduction(int * tab, int len, int mod) { __shared__ int begin, end; __shared__ int tmp_T[1024]; if(threadIdx.x == 0) { begin = blockIdx.x*len; end = blockIdx.x*len + len; } __syncthreads(); if(blockIdx.x % mod < mod/2) { for(int k...
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#include "includes.h" /* Now we make the matrix much bigger g++ -pg seq_matrix_big_mul.c -o seq_matrix_big_mul */ #define N_THREADS 32 int num_rows_A = 2000; int num_rows_B = 2000; int num_rows_C = 2000; int num_cols_A = 2000; int num_cols_B = 600; int num_cols_C = 600; //int num_rows_A = 64; int num_rows_B = 64; int...
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//#include <stdio.h> //#include <stdlib.h> // //#include "cuda_runtime.h" //#include "device_launch_parameters.h" //#include "common.h" //#include "cuda_common.cuh" // //__global__ void k1() //{ // int gid = blockDim.x * blockIdx.x + threadIdx.x; // if (gid == 0) // { // printf("This is a test 1 \n"); // } //} // //__...
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#include <stdio.h> #include <stdlib.h> #include <math.h> #define INF 1073741824 #define BLOCK_SZ 16 int m; // nodes int n; // dimensions int k; // k-nearest // input sample file int* load(const char *input) { FILE *file = fopen(input, "r"); if (!file) { fprintf(stderr, "Error: no such input file \"%s...
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//#include "kernel.cuh" #include <stdio.h> #include <stdlib.h> #include <time.h> #include <math.h> #include "cuda_runtime.h" #include "device_launch_parameters.h" #define N 5000 __host__ bool checkArr(int *arr, int size) { for (int i = 0; i < size-1; ++i) { if (arr[i] > arr[i + 1]) { printf("Array index: %d...
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#include <stdio.h> __global__ void transpose(unsigned char *odata, const unsigned char *idata) { int H = blockDim.x * gridDim.x; // # dst_height int W = blockDim.y * gridDim.y; // # dst_width int h = blockDim.x * blockIdx.x + threadIdx.x; // 32 * bkIdx[0:18] + tdIdx; [0,607] # x / h-th row int w = ...
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#include <cstdio> int main() { printf ("Hello, CUDA!\n"); return 0; }
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#include <cstdio> #include <cuda_runtime.h> #include "main.cuh" #define gpuCheck(ans) { gpuAssert((ans), __FILE__, __LINE__); } inline void gpuAssert(cudaError_t code, const char *file, int line, bool abort=true) { if (code != cudaSuccess) { fprintf(stderr,"GPUassert: %s %s %d\n", cudaGetErrorString(cod...
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#include "includes.h" __global__ void profileLevelDown_kernel() {}
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#include <thrust/host_vector.h> #include <thrust/device_vector.h> #include <thrust/copy.h> #include <thrust/fill.h> #include <thrust/sequence.h> #include <thrust/transform.h> #include <thrust/replace.h> #include <thrust/functional.h> #include <thrust/sort.h> #include <thrust/binary_search.h> #include <thrust/random.h>...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> #include <cstdlib> #include <cstring> #define BLOCK_SIZE 256 #define HISTOGRAM_LENGTH 256 __global__ void histo(unsigned char* buffer, unsigned int* histo, long size) { __shared__ unsigned int private_histo[256]; if(threadIdx.x < 2...
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__device__ float function_a_appli(float x); __global__ void applique_fonc ( int nb_ligne, int nb_col, float * input, float * res ){ int index_col=threadIdx.x+blockDim.x*blockIdx.x; int index_ligne=threadIdx.y+blockDim.y*blockIdx.y; int global_index; if ((index_col >= nb_col) || (index_lig...
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#include <stdio.h> #include <cuda.h> __global__ void dkernel(unsigned *vector, unsigned vectorsize) { unsigned id = blockIdx.x * blockDim.x + threadIdx.x; vector[id] = id; __syncthreads(); if (id < vectorsize - 1 && vector[id + 1] != id + 1) printf("syncthreads does not work.\n"); } #define BLOCKSIZE 1000 #define ...
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//Transpuesta de una matriz #include<iostream> #include<stdio.h> #include<malloc.h> using namespace std; __host__ void T(int *A, int filas, int columnas, int* B){ for(int j = 0; j < columnas; j++){ for(int i = 0; i < filas; i++){ B[j*filas+i] = A[i*columnas+j]; } } } __global__ void TCU(int *A, in...
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#include <stdio.h> #include <iostream> #include <stdlib.h> #include <assert.h> #include <time.h> #define R 3 #define BLOCK_SIZE 5 // number of output elements calculated in one block int iDivUp(int a, int b){ return ((a % b) != 0) ? (a / b + 1) : (a / b); } __global__ void oneD_stencil_shared(int *in_arr, int *out_ar...
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__device__ void rkck(float* y, float* dydx, const float x, const float h, float* yout, float* yerr, void derivs(const float, float* , float* )) { const float a2=0.2, a3=0.3, a4=0.6, a5=1.0, a6=0.875, b21=0.2, b31=3.0/40.0, b32=9.0/40.0, b41=0.3, b42 = -0.9, b43=1.2, b51 = -11.0/54.0, b52=2.5, b53 = -70.0/27.0, ...
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#include <stdio.h> __global__ void kernel(){ } int main(void){ kernel <<<1,1>>> (); printf("Hola, soy tu esclavo!\n"); return 0; }
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/* Example of using lodepng to load, process, save image */ #include <stdio.h> #include <stdlib.h> #define N 4 // grid side length #define RHO 0.5 // related to pitch #define ETA 2e-4 // related to duration of sound #define BOUNDARY_GAIN 0.75 // clamped edge vs free edge #define BLOCK_WIDTH 512 #define ind(i,j) ((j) ...
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/********************************************************************/ /***** GPU Graph Cut ************************************************/ /********************************************************************/ //////////////////////////////////////////////////// // Copyright (c) 2018 Kiyoshi Oguri 2018.02.14 // /...
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#include "includes.h" __global__ void update_old( float4 *__restrict__ newPos, float4 *__restrict__ oldPos ) { int index = blockIdx.x * blockDim.x + threadIdx.x; oldPos[index] = newPos[index]; }
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#include "includes.h" __device__ bool checkBoundary(int blockIdx, int blockDim, int threadIdx){ int x = threadIdx; int y = blockIdx; return (x == 0 || x == (blockDim-1) || y == 0 || y == 479); } __global__ void mJocobi_TwoDim(float *x_new, float *x_old, float* b, float alpha, float rBeta) { if(checkBoundary(blockIdx.x,...
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//===================================================================== // MAIN FUNCTION //===================================================================== __device__ void kernel_ecc(float timeinst, float* d_initvalu, float *d_finavalu, int valu_offset, float* d_params) { //=================================...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include "curand.h" #include <iostream> #include <iomanip> using namespace std; __device__ int dCount = 0; __global__ void countPoints(const float* xs, const float* ys) { int idx = blockIdx.x * blockDim.x + threadIdx.x; float x = xs[idx] - 0.5f; floa...
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/* * Hello world for CUDA, with access to the shared memory of the multiprocessors */ #include <stdio.h> #include <stdlib.h> __shared__ float sums[10]; // Define a kernel function __global__ void vector_sum(float* A, float* B, int length, const int N) { // Take a vector A of length "length" and sum it, putting th...
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#include "includes.h" __global__ void hotspotOpt1(float *p, float* tIn, float *tOut, float sdc, int nx, int ny, int nz, float ce, float cw, float cn, float cs, float ct, float cb, float cc) { float amb_temp = 80.0; int i = blockDim.x * blockIdx.x + threadIdx.x; int j = blockDim.y * blockIdx.y + threadIdx.y; int c = i...
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// System includes #include <stdio.h> #include <cuda_runtime.h> #include<device_launch_parameters.h> #include<curand.h> #define _USE_MATH_DEFINES #include<math.h> __device__ __host__ __inline__ float N(float x) { return 0.5 + 0.5 * erf(x * M_SQRT1_2); } __device__ __host__ void price(float k, float s, float t, floa...
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/* * * Authors: Steven Faulkner, Blaine Oakley, Felipe Gutierrez * * Final Project for CIS 4930, Implementation of K-means clustering * optimized with shared memory and reduction methods. * * To compile nvcc kmeans.cu * To run ./a.out "input.txt" "K" "iterations" * * @data file: is the specified input file * @k: is th...
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//Save data to array // bool Cstmd1Sim::save_data_to_array(thrust::device_vector<float> &v, int** result, int T, int N){ // // result = NULL; // // try { // // result = new int*[N]; // for(int i = 0; i < T; i++) { // result[i] = new int[T]; // } // // } catch (std::bad_alloc& ba) {...
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#include "includes.h" __global__ void kApplyTanh(float* mat, float* target, unsigned int len) { const unsigned int idx = blockIdx.x * blockDim.x + threadIdx.x; const unsigned int numThreads = blockDim.x * gridDim.x; float mat_i, exp2x; for (unsigned int i = idx; i < len; i += numThreads) { mat_i = mat[i]; exp2x = __exp...
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#include "includes.h" __global__ void sway_and_flip_weights_kernel(const float *src_weight_gpu, float *weight_deform_gpu, int nweights, int n, int kernel_size, int angle, int reverse) { const int index = blockIdx.x*blockDim.x + threadIdx.x; const int kernel_area = kernel_size * kernel_size; const int i = index * kerne...
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#include <stdio.h> #include <cuda.h> __global__ void gpu_reduce(int *c, int size) { /*Identificaciones necesarios*/ int IDX_Thread = threadIdx.x; int IDY_Thread = threadIdx.y; int IDX_block = blockIdx.x; int IDY_block = blockIdx.y; int shapeGrid_X = gridDim.x; int threads_per_block = blockDim.x * blockDim.y; ...
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#include <thrust/device_vector.h> #include <thrust/sequence.h> #include <thrust/reduce.h> #include <thrust/count.h> #include <thrust/functional.h> #include <thrust/execution_policy.h> #include <thrust/scan.h> #include <iostream> using namespace std; #define N 10 int main() { thrust::device_vector<int> D(N); thrust:...
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#include <stdio.h> #include <sys/time.h> #include <iostream> #include <fstream> using namespace std; #define ALPHA 19e-5 #define DELTA_T 120 #define ROUNDS 3*60*60/DELTA_T #define DISTANCE 0.1 /** * O argumento deve ser double */ #define GET_TIME(now) { \ struct timespec time; \ clock_gettime(CLOCK_MONOTONIC_RAW,...
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#include "includes.h" __global__ void getPredicate_kernel(unsigned int * d_inVal, unsigned int * d_predVal, unsigned int numElems, unsigned int bitMask) { unsigned int gIdx = blockIdx.x * blockDim.x + threadIdx.x; if (gIdx < numElems) { // if bitmask matches inputvale then assign 1 to the position otherwise set to 0 ...
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#include <iostream> #include <stdlib.h> /* srand, rand */ #include <time.h> /* time */ #include <math.h> using namespace std; //4000x4000 8 #define row 50 #define column 65 #define THREADS_PER_BLOCK 1024//64//1024//8 // Funcion para generar numeros randoms en mi matrix: void randomsInt(int **& matrix){ ...
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#include "cudamat_kernels.cuh" #include "float.h" /* ------------------------- Random number generation ------------------------- */ __global__ void cudamat_kSeedRandom(unsigned int* rndMults, unsigned long long* rndWords, unsigned int seed) { const unsigned int idx = blockIdx.x * blockDim.x + threadIdx.x; /...
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#include "includes.h" __global__ void cuConvertC3ToC4Kernel(const float3* src, size_t src_stride, float4* dst, size_t dst_stride, int width, int height) { const int x = blockIdx.x*blockDim.x + threadIdx.x; const int y = blockIdx.y*blockDim.y + threadIdx.y; int c_src = y*src_stride + x; int c_dst = y*dst_stride + x; if...
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#include<stdio.h> #define SIZE 100 __global__ void max(int *a,int *b,int *c) { int i = blockIdx.x*blockDim.x + threadIdx.x; int id; switch(i) { case 0: for(id = 0 ; id<SIZE/10 ; id++) { if(a[id] > c[i]) c[i] = a[id]; } b[i] = c[i]; break; case 1: ...
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#include "thrust_all.cuh" __global__ void device_add(int *a,int *b,int N) { auto index = blockIdx.x * blockDim.x + threadIdx.x; auto stride = blockDim.x * gridDim.x; for (auto i = index; i < N; i += stride) b[i] = a[i] + b[i]; } int main(void) { constexpr int N = 1<<10; using vec_type = int; thrust::d...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <iostream> using namespace std; int main(){ cudaDeviceProp prop; int counted; cudaGetDeviceCount(&counted); for(int i=0; i<counted; i++){ cudaGetDeviceProperties(&prop,i); cout<<"---Some Information for the Device---"<<endl; cout<...
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/* This is a automatically generated test. Do not modify */ #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void compute(float comp, int var_1,int var_2,int var_3,float var_4,float var_5,float var_6,float var_7,float var_8,float* var_9,float var_10,float var_11,float var_12,float var_13,float var...
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//============================================================================ // Name : TCcalcJacobiParallel.cpp // Author : Niklas Bergh //============================================================================ #include <iostream> #include <fstream> #include <sstream> #include <unordered_map> #inclu...
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///////////////////////// // convolution.cu // // Andrew Krepps // // Module 5 Assignment // // 3/5/2018 // ///////////////////////// #include <chrono> #include <stdio.h> #include <stdlib.h> #define MAX_WEIGHTS 4096 //////////////////////////////////////////////////////////////////////////////...
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#include <stdio.h> // For the CUDA runtime routines (prefixed with "cuda_") #include <cuda_runtime.h> __global__ void rng(int *I, int seed) { int tx = threadIdx.x; int ty = threadIdx.y; int bx = blockIdx.x; int by = blockIdx.y; int i = ((by * blockDim.y + ty) * gridDim.x * blockDim.x) + (bx * blockDim.x +...
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#include <stdio.h> #include <stdlib.h> #include <time.h> __global__ void VecAdd(float* A, float* B, float* C, int N){ int i = threadIdx.x + blockDim.x * blockIdx.x; if (i < N) C[i] = A[i] * A[i] + B[i] * B[i]; } int main(int argc, char** argv){ srand(2634); int N = atoi(argv[1]); char* out...
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#include <stdio.h> __global__ void mykernel(){ } int main(void) { mykernel<<<1,1>>>(); printf("Hello World!\n"); return 0; }
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// System includes #include <stdio.h> #include <assert.h> // CUDA runtime #include <cuda.h> #include <cuda_runtime.h> //#define STREAMS_NUM 8 #define BLOCKSIZE 1024 int STREAMS_NUM; __global__ void vectorAddGPU(float *a, float *b, float *c, int N, int offset) { int idx = blockIdx.x*blockDim.x + threadIdx.x + o...
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__global__ void apply_rows_max(float* X, /** matrix to apply .. row major **/ float* y, /** result vector **/ int* iy, int rows, int cols ) { unsigned int thidx = threadIdx.x; unsigned int thidy = threadIdx.y; unsigned int bid = blockIdx.x; unsigned int b...
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// CUDA运行时头文件 #include <cuda_runtime.h> #include <chrono> #include <stdio.h> #include <string.h> using namespace std; #define checkRuntime(op) __check_cuda_runtime((op), #op, __FILE__, __LINE__) bool __check_cuda_runtime(cudaError_t code, const char* op, const char* file, int line){ if(code != cudaSuccess){ ...
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/* This is a automatically generated test. Do not modify */ #include <stdio.h> #include <stdlib.h> #include <math.h> __global__ void compute(float comp, int var_1,float var_2,float var_3,float var_4,float var_5,float var_6,float var_7,float var_8,float var_9,float var_10,float var_11,float var_12,float var_13,float ...
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/** * For a matrix of size 32 x 32, computes (a_ij)^(pow) for each element a_ij * and stores in res_ij. * * Shared memory is necessary here because we are reading and writing * to memory many times... * * Note that __syncthreads is not needed here because each row in shared * memory is exclusively read and writ...
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#include "includes.h" __global__ void stencil2DKernel(double* temperature, double* new_temperature, int block_x, int block_y, int thread_size) { int i_start = (blockDim.x * blockIdx.x + threadIdx.x) * thread_size + 1; int i_finish = (blockDim.x * blockIdx.x + threadIdx.x) * thread_size + thread_size; int j_start = (blo...
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//In theory, GPU accelerated code #include <iostream> #include <math.h> using namespace std; __global__ //Kernel function to add the elements of two arrays void add(int n, float *x, float *y) { for(int i= 0; i < n; i++) y[i] = x[i] + y[i]; //Note: i is now the thread index, and each loop through changes to next...
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// iamgroot42 // Code for reading files and loading into memory used from the CPU template provided with the assignment #include <stdlib.h> #include <stdio.h> #include <string.h> #include <math.h> #include <ctime> #define LINEWIDTH 20 #define KEYWORD 32 #define CHUNKSIZE 4 __global__ void matchPattern(unsigned int...
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#include "includes.h" __global__ void MatrixMulKernel(int *d_x, int *d_y, int *d_z, int Block_Width, int M , int N) { int row = blockIdx.y*blockDim.y+ threadIdx.y; int col = blockIdx.x*blockDim.x+ threadIdx.x; int kernelSum = 0; if ((row<N) && (col<N)) { for (int i = 0; i < Block_Width ; ++i) { kernelSum+=d_x[col * B...
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#include <math.h> __global__ void kernel1(const float *input, const float *input2, float *output, int dataSize) { int blockNum = blockIdx.z*(gridDim.x*gridDim.y) + blockIdx.y*gridDim.x + blockIdx.x; int threadNum = threadIdx.z*(blockDim.x*blockDim.y) + threadIdx.y*(blockDim.x) + threadIdx.x; int i = blockNum*(block...
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#include "includes.h" __global__ void MSD_GPU_Interpolate_linear(float *d_MSD_DIT, float *d_MSD_interpolated, int *d_MSD_DIT_widths, int MSD_DIT_size, int *boxcar, int max_width_performed){ int tid = threadIdx.x; if(boxcar[tid] <= max_width_performed) { // int f = threadIdx.x; int desired_width = boxcar[tid]; in...
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#include <iostream> #include <cuda.h> using std::cout; using std::endl; __global__ void add_me(int *a, int* b, int *c) { if(threadIdx.x < 8) c[threadIdx.x] = a[threadIdx.x] + b[threadIdx.x]; } int main(int argc, char *argv[]) { int arr1[8] = {1, 2, 3, 4 , 5 ,6 ,7, 8}; int arr2[8] = {9, 10, 11,...
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#include <iostream> using std::cerr; using std::endl; // Error handling macro #define CUDA_CHECK(call) \ if((call) != cudaSuccess) { \ cudaError_t err = cudaGetLastError(); \ cerr << "CUDA error calling \""#call"\", code is " << err << endl;} #include<stdio.h> #include<stdlib.h> void init_mtx(flo...
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#include <stdio.h> #include <math.h> #define MAX 8192 #define LOG_MAX 13 #define N 10 const int BLOCK_SIZE = 512; void bit_reverse(float x_r[], float x_i[]); __host__ void fftHost(float *x_r, float *x_i); __global__ void fftKernel(float *dx_r, float *dx_i); int main() { float *x_r, *x_i, *xr, *xi; float...
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#include<stdio.h> #include<stdlib.h> #include<math.h> #define BLOCK_SIZE 3 int w=3, h=3; int size = w*h; int memsize = sizeof(float)*size; __global__ void matrixMultiply(float *a, float *b, float *c, int w, int h){ int tx = (blockIdx.x * blockDim.x) + threadIdx.x; int ty = (blockIdx.y * blockDim.y) + threadIdx....
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#include <stdio.h> #include <stdlib.h> #include <time.h> #include <cuda_runtime_api.h> #define BASE_TYPE float __global__ void add(BASE_TYPE *a, BASE_TYPE *b, BASE_TYPE *result, const int N) { int threads_count = blockDim.x * gridDim.x; int elem_per_thread = N / threads_count; int k = (blockIdx.x * blockD...
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#include "includes.h" // helper for CUDA error handling __global__ void getLowerAAt( const double* A, double* S, std::size_t imageNum, std::size_t pixelNum ) { std::size_t row = blockIdx.x; std::size_t col = blockIdx.y * blockDim.x + threadIdx.x; if(row >= imageNum || col >= imageNum) { return; } S[row * imageNum ...
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/** * Alemdar Salmoor * */ #include <stdlib.h> #include <stdio.h> #include <time.h> #include <string.h> #include <limits.h> #include <float.h> #include <math.h> //The following implementation of the atomicAdd for devices with compute capabilities lower //than 6.0 is provided on the NVidia Cuda Toolkit Documentation ...
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/* * Matrix is a PHP extension. It can do parallel computing base on CUDA. * * GitHub: https://github.com/BourneSuper/matrix * * Author: Bourne Wong <cb44606@gmail.com> * * */ #include <stdio.h> // For the CUDA runtime routines (prefixed with "cuda_") #include <cuda_runtime.h> #include "math.cuh" int getM...
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#include "cuda_runtime.h" #include "device_launch_parameters.h" #include <stdio.h> __global__ void add(int n, float *x, float *y) { int index = blockIdx.x * blockDim.x + threadIdx.x; int stride = blockDim.x * gridDim.x; for (int i = index; i < n; i += stride) { y[i] = x[i] + y[i]; } } int main(void) { i...